StarTech.com

USB C DisplayPort Hub - 3 port - USB C to DisplayPort MST Hub - USB Type C Monitor Hub

Use this adapter to connect three independent displays to a single USB Type-C port

Product ID: MSTCDP123DP

  • Maximize your productivity by connecting three independent displays to your computer using the MST hub
  • Hassle-free connection with the reversible USB-C connector
  • Connect to almost any television, monitor or projector, with the support of low-cost adapters (sold separately)
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  • Support for resolutions up to 4K on up to two monitors simultaneously
  • Thunderbolt 3 port compatible
163,99 € EUR exc VAT
163,99 € EUR inc VAT

Overview

This MST hub lets you connect three DisplayPort monitors to your USB-C™ computer. MST ensures hassle-free setup by natively working on any Windows® device that supports DP alt mode over USB Type-C™, such as models of Dell Precision™, Dell XPS™ laptops and ASUS® ROG GL752.

The MST hub also works with Thunderbolt™ 3 ports to provide Thunderbolt 3 to triple DisplayPort conversion. Plus with a lower price point than docks, MST offers a multi-monitor solution that’s more cost-effective than a traditional laptop docking station.

Increase your productivity with multiple monitors

The newest generations of laptops are more portable than ever. Unfortunately, this means you’re left with fewer video outputs and a small integrated screen. This MST hub solves these problems by letting you connect three displays to a single USB-C port on your computer, which makes multitasking much easier.

Using the MST hub, you can extend your desktop onto additional monitors and stream independent content to each display. This makes it easier to multitask and increase your productivity, which is perfect for creating an easy-to-dock hot-desk solution with a wireless keyboard and mouse peripheral set.

You can also mirror the same image onto multiple displays for remote viewing applications such as digital signage.

Increase Productivity with multiple screens

Astonishing picture quality that won’t drain your system resources

MST technology uses your existing video card to minimize the use of system resources while delivering Ultra HD 4K resolutions. 4K is supported by the latest A/V devices and delivers four times the resolution of 1080p.

Plus, because the MST hub can output high-definition 1080p, the MST hub is perfect for all high-resolution applications such as graphic design and medical imaging.

productivity software displayed on three monitors

Works with any monitor, television or projector

With this MST hub, you can use separate DP video adapters to connect HDMI, VGA or DVI displays, for compatibility with all of your existing monitors.

Extend Your Compatibility

The MSTCDP123DP is backed by a 2-year StarTech.com warranty and free lifetime technical support.

Applications

Connect additional displays to your USB-C device

Use one screen for referencing data, such as websites, while composing your documents on another screen

Connect your USB-C device supporting DP alt mode to three high-resolution displays at your workstation

Create a panoramic video wall for DisplayPort digital signage applications

Edit images, video or audio clips across two additional displays in any orientation or resolution

Span a spreadsheet or worksheet across three additional displays, to avoid side-scrolling

Technical Specifications

Warranty Information
Warranty 2 Years
Hardware
Audio Yes
AV Output DisplayPort
Chipset ID MegaChips - STDP4320
VIA/VLI - VL100
Ports 3
Performance
Maximum Digital Resolutions 3840x2160 @ 30hz
Supported Resolutions

Note: MST shares 21.6 Gbps across all attached displays. Higher resolutions can restrict the available bandwidth with the remaining ports, please see our guideline below for determining an ideal resolution for your setup.

Average resolution bandwidth allocation

1920x1080 (High-definition 1080p) @60hz - 22%
1920x1200 @60hz - 30%
2560x1440 @60hz - 35%
2560x1600 @60hz - 38%
3840 x 2160 (Ultra HD 4K) @30hz - 38%

Note: Exceeding 100% will reduce functionality.

Wide Screen Supported Yes
Connector(s)
Connector A 1 - USB-C (24 pin) DisplayPort Alt Mode Male Input
Connector B 3 - DisplayPort (20 pin) Female Output
Software
OS Compatibility Windows 10, 8.1, 8
Environmental
Operating Temperature 0°C to 45°C (32°F to 113°F)
Storage Temperature -20°C to 70°C (-4°F to 158°F)
Physical Characteristics
Cable Length 322 mm [12.7 in]
Color Black
Enclosure Type Plastic
Product Height 18 mm [0.7 in]
Product Length 78 mm [3.1 in]
Product Weight 86 g [3 oz]
Product Width 60 mm [2.4 in]
Packaging Information
Shipping (Package) Weight 0.2 kg [0.4 lb]
What's in the Box
Included in Package 1 - MST hub
1 - quick-start guide

Compatibility

View full OS compatibility
Windows 10, 8.1, 8

Certifications

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Accessories

Product Support

Frequently Asked Questions

Before You Buy

You may have heard of MST hubs, and have been wondering what they are, and whether or not they will work in your setup. 

So what are MST hubs?  MST hubs are devices that take one DisplayPort or Mini DisplayPort video connection, and go to many video connections, usually extra DisplayPort, Mini DisplayPort, DVI or HDMI connections.  This is accomplished through DisplayPort's MST, or Multi Stream Transport function.  MST hubs allow you to mirror / duplicate your monitors so the same window are shown on all of the monitors, or extend your desktop, so that you can have different window on each monitor.

So how can you tell if you can use a MST hub?  MST hubs require that the video card's DisplayPort or Mini DisplayPort output support DP1.2 or greater, which supports MST.  Some MST hubs also specifically require HBR2, or High Bit Rate 2 support.  HBR2 allows for higher resolutions like 4K and up.  You can check whether or not a StarTech.com MST hub requires HBR2 on the individual product pages, under the Technical Specifications tab.

There are a few other important things to note.

  • Video cards can technically support DP1.2, but not support MST or HBR2, so it is important to check with your video card manufacturer that your video card specifically supports DP1.2, MST, and HBR2 (if necessary).

Currently Mac OSX does not support MST hubs, regardless of whether or not the video card does.  This is an operating system restriction, so running Windows on an Apple computer through a program like Bootcamp will allow you to use MST hubs.

Recent versions of DisplayPort include the ability to split to multiple displays from one DisplayPort connection using Multi-Stream Transport (MST).

Although you will be able to connect the MST hub to the Mini DisplayPort (mDP) connection on your Mac, Mac OSX does not support MST for NVIDIA and Intel Graphics Processor Units (GPUs). This results in a mirrored image across the outputs of a MST hub and you will not be able to have multiple independent displays on your Mac.

The limitation of NVIDIA and Intel GPUs lies within Mac OSX. If a different operating system is used, such as Microsoft Windows via Bootcamp, you may be able to use the MST functionality of your Mac.

When you convert from DisplayPort to DVI or HDMI, it works best if you use passive video signal converters with StarTech.com MST hubs. The MST hub has the capability to convert a video signal DisplayPort to a DVI or HDMI video signal as long as a video signal converter is used to change the connection type. This is because DisplayPort 1.2 (DP 1.2) supports both MST (Multi-Stream Transport) and Dual Mode (DP++). For more information, refer to the following FAQ: http://www.startech.com/faq/displayport_converter_dp_multi_mode.

When you convert from DisplayPort to VGA, you must use an active adapter because DisplayPort uses a digital signal and VGA uses an analog signal, and the MST hub cannot convert from a digital signal to an analog signal.

Note: When you use a StarTech.com video signal converter to convert from DisplayPort to VGA, you should use the DP2VGA3. In certain circumstances, the DP2VGA2 has compatibility issues with certain VGA monitors.

Surface Dock

If you experience issues when you use a Surface Dock to connect passive video signal adapters to an MST hub, Microsoft recommends that you use active video signal converters instead. StarTech.com offers an active video signal converter for DVI monitors (DP2DVIS) and for HDMI monitors (DP2HD4KS).

Note: This issue does not apply to the Surface Pro 3 Docking Station.

You cannot use an MST hub to increase the maximum number of displays that a video card supports. For example, if your video card only supports up to three displays, your display limit will still be three displays even if you use an MST hub.

If you have multiple MST hubs connected to the same computer and are experiencing display issues, you should check your video card to make sure that it can support the number of displays that you are using in your setup.

If you use an MST hub in your setup, your video card also needs to be compatible with MST technology. For more information, refer to the following FAQ: https://www.startech.com/faq/mst-hubs-gpu-compatibility.

USB-C is a type of USB connector that is capable of supporting the following:

  • Data transfer speeds up to 10Gbps, if you use USB 3.1.
  • Bi-directional power delivery up to 100W, if both the USB host connection and the device support it.
  • Alternate modes, which deliver different types of data at different speeds. For example, DisplayPort Alternate Mode (DP Alt Mode).

If using Thunderbolt 3 over USB-C, the connection is capable of additional features. For example, Thunderbolt 3 is capable of 40Gbps of total bandwidth. For more information, refer to the following FAQ: https://www.startech.com/faq/thunderbolt-3-port-capabilities.

Not all USB-C ports or devices are capable of supporting all of the features listed above, or all of the features at the maximum capabilities. If you require a specific USB-C feature, your USB host connection, cables, and device must all support the feature that you require. For more information about whether your components support specific USB-C features, refer to the information provided by the manufacturers. 

This USB-C device requires that all of the following components support alternate modes:

  • The USB-C host connection (for example, a computer and its port)
  • The USB-C cable
  • The USB-C device (for example, a hard drive docking station)

If your host device includes a Thunderbolt™ 3 connection, this USB-C device will work with your host device.

For more information about the modes that your setup components support, refer to the information provided by the manufacturers.